4 x SCA, with riser card, black, ATX, no power supply.

Construction: Heavy Duty Cold Rolled Electroplated Steel
Color: Black
Motherboard Size: 12 x 13
CPU Type: Dual Xeon, P4, Dual Pentium III, dual Opteron
Expansion Slots: 1 x PCI slot Horizontal
Drive Bays (Open): 1 x Slim CD-ROM & 1 x Slim FDD & 4 x 8,9 cm ( 3,5 inch )Swa
Power Supply (Optional): 1U Single Up To 400W ATX, Max Depth 250mm
Riser Card: Optional 32bit / 64bit
Thermal Management Cards: Installed
Cooling fan (standard): 6 x 40 x 28mm
Front USB: 2
Indicators: LEDs Power ON / OFF, LAN, HDD Activity, Fan, Temper
Front Controls: Power on / off, system reset, buzzer reset
Front Doors: Single Door with 1 Thumbscrew
Humidity: 5% - 95% non - condensing
Product Application: Web server, high-end workstation
Optional Accessories: Slide rails SL-24